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记录一下整合ssm框架的方案。从零开始，适合初学者。开源到gitee:
https://gitee.com/liu487408/integrate-the-ssm-framework.git

目录

项目目录结构
项目整合步骤
项目配置文件

整体目录结构 

项目整合 1.创建数据表

create database ssm;
create table account(
id int primary key auto_increment,
name varchar(100),
money double(7,2)
);

2.创建maven项目

参考创建maven项目

3.导入Maven坐标

  4.0.0

  com.itheima
  itheima_ssm
  1.0-SNAPSHOT
  war

  itheima_ssm Maven Webapp
  
  http://www.example.com

  
    UTF-8
    1.7
    1.7
  

  
    
    
      org.springframework
      spring-context
      5.0.5.RELEASE
    
    
      org.aspectj
      aspectjweaver
      1.8.7
    
    
      org.springframework
      spring-jdbc
      5.0.5.RELEASE
    
    
      org.springframework
      spring-tx
      5.0.5.RELEASE
    
    
      org.springframework
      spring-test
      5.0.5.RELEASE
    
    
      org.springframework
      spring-webmvc
      5.0.5.RELEASE
    

    
    
      javax.servlet
      servlet-api
      2.5
    
    
      javax.servlet.jsp
      jsp-api
      2.0
    

    
    
      org.mybatis
      mybatis
      3.4.5
    
    
      org.mybatis
      mybatis-spring
      1.3.1
    
    
      mysql
      mysql-connector-java
      8.0.21
    
    
      c3p0
      c3p0
      0.9.1.2
    

    
      junit
      junit
      4.12
    
    
      jstl
      jstl
      1.2
    

  

  
    itheima_ssm
    
      
        
          maven-clean-plugin
          3.0.0
        
        
        
          maven-resources-plugin
          3.0.2
        
        
          maven-compiler-plugin
          3.7.0
        
        
          maven-surefire-plugin
          2.20.1
        
        
          maven-war-plugin
          3.2.0
        
        
          maven-install-plugin
          2.5.2
        
        
          maven-deploy-plugin
          2.8.2
        
      
    
  

4. 编写实体类

编写实体类 Account

package com.ssmInte.domain;

public class Account {
    private int id;
    private String name;
    private double money;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public double getMoney() {
        return money;
    }

    public void setMoney(double money) {
        this.money = money;
    }
}

5. 编写Mapper接口

编写Mapper 接口

public interface AccountMapper {
//保存账户数据
void save(Account account);
//查询账户数据
List findAll();
}

6. 编写Service接口以及实现

public interface AccountService {
void save(Account account); //保存账户数据
List findAll(); //查询账户数据
}

继承上面接口

@Service("accountService")
public class AccountServiceImpl implements AccountService{
    @Autowired
    private AccountMapper accountMapper;
    @Override
    public void save(Account account)  {
        accountMapper.save(account);
    }
    @Override
    public List findAll() {

        return accountMapper.findAll();
    }
}

8. 编写Controller

@Controller
@RequestMapping("/account")
public class AccountController {
    @Autowired
    private AccountService accountService;
//    保存  produces 防止返回的中文乱码问题
    @RequestMapping(value ="/save",produces ="text/html;charset=UTF-8")
    @ResponseBody
    public String save(Account account){
        accountService.save(account);
        return "保存成功";
    }
//    查询
    @RequestMapping("/findAll")
    public ModelAndView fingAll(){
        List accountList = accountService.findAll();
        ModelAndView modelAndView= new ModelAndView();
        modelAndView.addObject("accountList",accountList);
        modelAndView.setViewName("accountList");
        return modelAndView;
    }
}

9.编写添加页面

编写save.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    


保存账户信息表单

    用户名称

    账户金额

    

10. 编写列表页

编写accountList.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>


    


展示用户数据

        

    

        
账户id
        
账户名称
        
账户金额
    
    

            
${account.id}
            
${account.name}
            
${account.money}
        
    

11. 编写相应配置文件

• Spring配置文件：applicationContext.xml
• SprngMVC配置文件：spring-mvc.xml
• MyBatis映射文件：AccountMapper.xml
• MyBatis核心文件：sqlMapConfig.xml
• 数据库连接信息文件：jdbc.properties
• Web.xml文件：web.xml
• 日志文件：log4j.properties

applicationContext.xml

 spring-mvc.xml

AccountMapper.xml

    
        insert  into account values (#{id},#{name},#{money})
    
    
        select * from account
    

log4j.properties 

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n

### direct messages to file mylog.log ###
log4j.appender.file=org.apache.log4j.FileAppender
log4j.appender.file.File=c:/mylog.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n

### set log levels - for more verbose logging change 'info' to 'debug' ###

log4j.rootLogger=debug, stdout

sqlMapConfig.xml 

web.xml 

    
        contextConfigLocation
        classpath:applicationContext.xml
    
    
        org.springframework.web.context.ContextLoaderListener
    

    
        DispatcherServlet
        org.springframework.web.servlet.DispatcherServlet
        
            contextConfigLocation
            classpath:spring-mvc.xml
        
        1
    
    
        DispatcherServlet
        /
    

    
        CharacterEncodingFilter
        org.springframework.web.filter.CharacterEncodingFilter
        
            encoding
            utf-8
        
    
    
        CharacterEncodingFilter
        /*
    

12.添加tomcat